user_manage_upfiles.aspx.cs

本程序基于 asp.net 2.0 +sql server 2

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.IO;
using lalablog;
public partial class user_user_manage_upfiles : System.Web.UI.Page
{
    int id;
    string fullname;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["userid"] == null)
            Response.Redirect("~/user/userLogin.aspx?url="+Server .HtmlEncode(Request .RawUrl )); 
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        id = Convert.ToInt32(e.Keys["id"].ToString());
        getPath();
        
        File.Delete(this.fullname.Trim ()); 
    }
    private void getPath()
    {
        String path = MapPath("~/uploadfiles/");
        string strconn = ConfigurationManager.ConnectionStrings["dsn"].ToString();
        SqlConnection cn = new SqlConnection(strconn);
        cn.Open();
        string sql = "select upfilename from pic where id=" + this.id;
        SqlCommand cm = new SqlCommand(sql, cn);

        try
        {
            SqlDataReader dr = cm.ExecuteReader();
            if (dr.Read())
                this.fullname = path + dr["upfilename"].ToString();
        }
        catch (SqlException ex)
        {
            myfunc my = new myfunc(ex.Message);
            Response.Write(my.JavaMsg());
        }
        finally
        {
            cn.Close();
        }
    }
}